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+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2.1 of
+ * the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the
+ * GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ *
+ * Author: Dodji Seketeli
+ * See COPYRIGHTS file for copyright information.
+ */
+
+#ifndef __CR_FONTS_H__
+#define __CR_FONTS_H__
+
+#include "cr-utils.h"
+#include "cr-num.h"
+
+/**
+ *@file
+ *Various type declarations about font selection related
+ *properties.
+ */
+G_BEGIN_DECLS
+
+
+enum CRFontFamilyType
+{
+ FONT_FAMILY_SANS_SERIF,
+ FONT_FAMILY_SERIF,
+ FONT_FAMILY_CURSIVE,
+ FONT_FAMILY_FANTASY,
+ FONT_FAMILY_MONOSPACE,
+ FONT_FAMILY_NON_GENERIC,
+ FONT_FAMILY_INHERIT,
+ /**/
+ NB_FONT_FAMILIE_TYPES
+} ;
+
+typedef struct _CRFontFamily CRFontFamily ;
+
+struct _CRFontFamily
+{
+ enum CRFontFamilyType type ;
+
+ /*
+ *The name of the font family, in case
+ *it is non generic.
+ *Is set only if the type is FONT_FAMILY_NON_GENERIC.
+ */
+ guchar *name ;
+
+ CRFontFamily *next ;
+ CRFontFamily *prev ;
+} ;
+
+
+/**
+ *The different types
+ *of absolute font size.
+ *This is used by the 'font-size'
+ *property defined in css2 spec
+ *in chapter 15.2.4 .
+ *These values a indexes of
+ *table of size so please, do not
+ *change their definition order unless
+ *you know what you are doing.
+ */
+enum CRPredefinedAbsoluteFontSize
+{
+ FONT_SIZE_XX_SMALL=0,
+ FONT_SIZE_X_SMALL,
+ FONT_SIZE_SMALL,
+ FONT_SIZE_MEDIUM,
+ FONT_SIZE_LARGE,
+ FONT_SIZE_X_LARGE,
+ FONT_SIZE_XX_LARGE,
+ FONT_SIZE_INHERIT,
+ NB_PREDEFINED_ABSOLUTE_FONT_SIZES
+} ;
+
+/**
+ *The different types
+ *of relative font size.
+ *This is used by the 'font-size'
+ *property defined in css2 spec
+ *in chapter 15.2.4 .
+ *These values a indexes of
+ *table of size so please, do not
+ *change their definition order unless
+ *you know what you are doing.
+ */
+enum CRRelativeFontSize
+{
+ FONT_SIZE_LARGER,
+ FONT_SIZE_SMALLER,
+ NB_RELATIVE_FONT_SIZE
+} ;
+
+/**
+ *The type of font-size property.
+ *Used to define the type of #CRFontSize .
+ *See css2 spec chapter 15.2.4 to understand.
+ */
+enum CRFontSizeType {
+ /**
+ *If the type of #CRFontSize is
+ *PREDEFINED_ABSOLUTE_FONT_SIZE,
+ *the CRFontSize::value.predefined_absolute
+ *field will be defined.
+ */
+ PREDEFINED_ABSOLUTE_FONT_SIZE,
+
+ /**
+ *If the type of #CRFontSize is
+ *ABSOLUTE_FONT_SIZE,
+ *the CRFontSize::value.absolute
+ *field will be defined.
+ */
+ ABSOLUTE_FONT_SIZE,
+
+ /**
+ *If the type of #CRFontSize is
+ *RELATIVE_FONT_SIZE,
+ *the CRFontSize::value.relative
+ *field will be defined.
+ */
+ RELATIVE_FONT_SIZE,
+
+ /**
+ *If the type of #CRFontSize is
+ *INHERITED_FONT_SIZE,
+ *the None of the field of the CRFontSize::value enum
+ *will be defined.
+ */
+ INHERITED_FONT_SIZE,
+
+ NB_FONT_SIZE_TYPE
+} ;
+
+typedef struct _CRFontSize CRFontSize ;
+struct _CRFontSize {
+ enum CRFontSizeType type ;
+ union {
+ enum CRPredefinedAbsoluteFontSize predefined ;
+ enum CRRelativeFontSize relative ;
+ CRNum absolute ;
+ } value;
+} ;
+
+enum CRFontSizeAdjustType
+{
+ FONT_SIZE_ADJUST_NONE = 0,
+ FONT_SIZE_ADJUST_NUMBER,
+ FONT_SIZE_ADJUST_INHERIT
+} ;
+typedef struct _CRFontSizeAdjust CRFontSizeAdjust ;
+struct _CRFontSizeAdjust
+{
+ enum CRFontSizeAdjustType type ;
+ CRNum *num ;
+} ;
+
+enum CRFontStyle
+{
+ FONT_STYLE_NORMAL=0,
+ FONT_STYLE_ITALIC,
+ FONT_STYLE_OBLIQUE,
+ FONT_STYLE_INHERIT
+} ;
+
+enum CRFontVariant
+{
+ FONT_VARIANT_NORMAL=0,
+ FONT_VARIANT_SMALL_CAPS,
+ FONT_VARIANT_INHERIT
+} ;
+
+enum CRFontWeight
+{
+ FONT_WEIGHT_NORMAL = 1,
+ FONT_WEIGHT_BOLD = 1<<1,
+ FONT_WEIGHT_BOLDER = 1<<2,
+ FONT_WEIGHT_LIGHTER = 1<<3,
+ FONT_WEIGHT_100 = 1<<4,
+ FONT_WEIGHT_200 = 1<<5,
+ FONT_WEIGHT_300 = 1<<6,
+ FONT_WEIGHT_400 = 1<<7,
+ FONT_WEIGHT_500 = 1<<8,
+ FONT_WEIGHT_600 = 1<<9,
+ FONT_WEIGHT_700 = 1<<10,
+ FONT_WEIGHT_800 = 1<<11,
+ FONT_WEIGHT_900 = 1<<12,
+ FONT_WEIGHT_INHERIT = 1<<13,
+ NB_FONT_WEIGHTS
+} ;
+
+enum CRFontStretch
+{
+ FONT_STRETCH_NORMAL=0,
+ FONT_STRETCH_WIDER,
+ FONT_STRETCH_NARROWER,
+ FONT_STRETCH_ULTRA_CONDENSED,
+ FONT_STRETCH_EXTRA_CONDENSED,
+ FONT_STRETCH_CONDENSED,
+ FONT_STRETCH_SEMI_CONDENSED,
+ FONT_STRETCH_SEMI_EXPANDED,
+ FONT_STRETCH_EXPANDED,
+ FONT_STRETCH_EXTRA_EXPANDED,
+ FONT_STRETCH_ULTRA_EXPANDED,
+ FONT_STRETCH_INHERIT
+} ;
+
+/**************************************
+ *'font-family' manipulation functions
+ ***************************************/
+CRFontFamily *
+cr_font_family_new (enum CRFontFamilyType a_type, guchar *a_name) ;
+
+CRFontFamily *
+cr_font_family_append (CRFontFamily *a_this,
+ CRFontFamily *a_family_to_append) ;
+
+guchar *
+cr_font_family_to_string (CRFontFamily const *a_this,
+ gboolean a_walk_font_family_list) ;
+
+CRFontFamily *
+cr_font_family_prepend (CRFontFamily *a_this,
+ CRFontFamily *a_family_to_prepend);
+
+enum CRStatus
+cr_font_family_destroy (CRFontFamily *a_this) ;
+
+enum CRStatus
+cr_font_family_set_name (CRFontFamily *a_this, guchar *a_name) ;
+
+
+/************************************
+ *'font-size' manipulation functions
+ ***********************************/
+
+CRFontSize * cr_font_size_new (void) ;
+
+enum CRStatus cr_font_size_clear (CRFontSize *a_this) ;
+
+enum CRStatus cr_font_size_copy (CRFontSize *a_dst,
+ CRFontSize const *a_src) ;
+enum CRStatus cr_font_size_set_predefined_absolute_font_size (CRFontSize *a_this,
+ enum CRPredefinedAbsoluteFontSize a_predefined) ;
+enum CRStatus cr_font_size_set_relative_font_size (CRFontSize *a_this,
+ enum CRRelativeFontSize a_relative) ;
+
+enum CRStatus cr_font_size_set_absolute_font_size (CRFontSize *a_this,
+ enum CRNumType a_num_type,
+ gdouble a_value) ;
+
+enum CRStatus cr_font_size_set_to_inherit (CRFontSize *a_this) ;
+
+gboolean cr_font_size_is_set_to_inherit (CRFontSize const *a_this) ;
+
+gchar* cr_font_size_to_string (CRFontSize const *a_this) ;
+
+void cr_font_size_destroy (CRFontSize *a_font_size) ;
+
+/*******************************************************
+ *'font-size-adjust' manipulation function declarations
+ *******************************************************/
+
+CRFontSizeAdjust * cr_font_size_adjust_new (void) ;
+
+gchar * cr_font_size_adjust_to_string (CRFontSizeAdjust const *a_this) ;
+
+void cr_font_size_adjust_destroy (CRFontSizeAdjust *a_this) ;
+
+void
+cr_font_size_get_smaller_predefined_font_size (enum CRPredefinedAbsoluteFontSize a_font_size,
+ enum CRPredefinedAbsoluteFontSize *a_smaller_size) ;
+void
+cr_font_size_get_larger_predefined_font_size (enum CRPredefinedAbsoluteFontSize a_font_size,
+ enum CRPredefinedAbsoluteFontSize *a_larger_size) ;
+
+gboolean
+cr_font_size_is_predefined_absolute_font_size (enum CRPredefinedAbsoluteFontSize a_font_size) ;
+
+/***********************************
+ *various other font related functions
+ ***********************************/
+const gchar * cr_font_style_to_string (enum CRFontStyle a_code) ;
+
+const gchar * cr_font_weight_to_string (enum CRFontWeight a_code) ;
+
+enum CRFontWeight
+cr_font_weight_get_bolder (enum CRFontWeight a_weight) ;
+
+const gchar * cr_font_variant_to_string (enum CRFontVariant a_code) ;
+
+const gchar * cr_font_stretch_to_string (enum CRFontStretch a_code) ;
+
+G_END_DECLS
+
+#endif